As awareness of toxic, synthetic chemical pollution from per- and polyfluorinated substances (PFAS) increases, more legal settlements in billion dollar amounts are being made between chemical companies and public water suppliers, both in the US and Europe. As awareness of toxic, synthetic chemical pollution from per- and polyfluorinated substances (PFAS) increases, more legal settlements in billion dollar amounts are being made between chemical companies and public water suppliers, both in the US and Europe. Environment Phys.org – latest science and technology news stories